001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.util.resource; 018 019import java.io.IOException; 020import java.io.InputStream; 021import java.time.Instant; 022import java.util.Locale; 023import org.apache.wicket.util.lang.Args; 024import org.apache.wicket.util.lang.Bytes; 025 026/** 027 * A IResourceStream that wraps another resource stream 028 */ 029public class ResourceStreamWrapper implements IResourceStream 030{ 031 private static final long serialVersionUID = 1L; 032 033 private final IResourceStream delegate; 034 035 /** 036 * Creates the wrapper around the {@code delegate} resource stream. 037 * 038 * @param delegate 039 */ 040 public ResourceStreamWrapper(IResourceStream delegate) 041 { 042 this.delegate = Args.notNull(delegate, "delegate"); 043 } 044 045 /** 046 * Returns the wrapped delegate. 047 * 048 * @return the wrapped delegate. 049 */ 050 public IResourceStream getDelegate() 051 { 052 return delegate; 053 } 054 055 @Override 056 public String getContentType() 057 { 058 return delegate.getContentType(); 059 } 060 061 @Override 062 public Bytes length() 063 { 064 return delegate.length(); 065 } 066 067 @Override 068 public InputStream getInputStream() throws ResourceStreamNotFoundException 069 { 070 return delegate.getInputStream(); 071 } 072 073 @Override 074 public void close() throws IOException 075 { 076 delegate.close(); 077 } 078 079 @Override 080 public Locale getLocale() 081 { 082 return delegate.getLocale(); 083 } 084 085 @Override 086 public void setLocale(Locale locale) 087 { 088 delegate.setLocale(locale); 089 } 090 091 @Override 092 public String getStyle() 093 { 094 return delegate.getStyle(); 095 } 096 097 @Override 098 public void setStyle(String style) 099 { 100 delegate.setStyle(style); 101 } 102 103 @Override 104 public String getVariation() 105 { 106 return delegate.getVariation(); 107 } 108 109 @Override 110 public void setVariation(String variation) 111 { 112 delegate.setVariation(variation); 113 } 114 115 @Override 116 public Instant lastModifiedTime() 117 { 118 return delegate.lastModifiedTime(); 119 } 120}